If you have setup more than one email account in your Outlook (Work and Home) you may have realized a need for some type of pop-up dialog which will ask you which account you want to use when creating a new email. Outlook lets you define a default account, but obviously that's not good enough. I decided to write a small and simple add-in which will ask me to select the sending account every time I compose a new email. (Even if Outlook already has such a tool, I couldn't find it! and I wanted to gain some Office programming knowledge anyways.)
I used Visual Studio 2008 and created a new Office project of type Outlook Add-in. This will give you the basics you need. Just fill the methods with your code and you are done.
public partial class ThisAddIn
{
private Outlook.Inspectors Inspectors;
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
Inspectors = this.Application.Inspectors;
Inspectors.NewInspector += new Microsoft.Office.Interop.Outlook.InspectorsEvents_NewInspectorEventHandler(Inspectors_NewInspector);
foreach (Outlook.Inspector inspector in Inspectors)
{
Inspectors_NewInspector(inspector);
}
}
void Inspectors_NewInspector(Microsoft.Office.Interop.Outlook.Inspector Inspector)
{
if (Inspector.CurrentItem is Outlook.MailItem)
{
Outlook.MailItem item = (Outlook.MailItem)Inspector.CurrentItem;
if (string.IsNullOrEmpty(item.Body) && string.IsNullOrEmpty(item.Subject) && string.IsNullOrEmpty(item.To))
{
Outlook.MailItem ThisItem = (Outlook.MailItem)Inspector.CurrentItem;
Accounts accForm = new Accounts();
System.Windows.Forms.ComboBox cboAccounts = (System.Windows.Forms.ComboBox)accForm.Controls["cboAccounts"];
foreach (Outlook.Account account in this.Application.Session.Accounts)
{
cboAccounts.Items.Add(account.DisplayName);
}
cboAccounts.SelectedIndex = 0;
accForm.ShowDialog();
ThisItem.SendUsingAccount = this.Application.Session.Accounts[cboAccounts.SelectedIndex + 1];
}
}
}
private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
{
Inspectors.NewInspector -= new Outlook.InspectorsEvents_NewInspectorEventHandler(Inspectors_NewInspector);
Inspectors = null;
}
#region VSTO generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InternalStartup()
{
this.Startup += new System.EventHandler(ThisAddIn_Startup);
this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
}
#endregion
}
Accounts() is a Windows Form which only contains a dropdown and a button:
